Tire sidewall



FIG. 1 is a front elevational view of a tire sidewall showing our new design;

FIG. 2 is a perspective view thereof; and,

FIG. 3 is a cross-sectional view taken in the direction of line 3-3 of FIG. 1.

In the drawings, the broken lines showing of the tire tread, inner bead and the peripheral boundary between the tire tread and the sidewall in FIGS. 1 through 3 depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a tire sidewall, as shown and described. 